Standing Wave Ratio SWR Watt Meter Radio Power Meter Transm

Movable part: Movable coil type
The meter pment position: Vertical
Wire: 2 X 200mm#28 wires, one black and one red. They are used to solder LED positive/negative poles. The end of the wire needs 5mm of copper to be exposed for easy soldering.
Backlight type 1: Two LED are connected in series "6V, 20mA", connected to a resistor, 620ohm1/2W
Type 2: Two LED in series "6V, 20mA", connect a resistor, 1.3Kohm1/2W

Electrical performance:
Standard test conditions: Temperature 20 degree, humidity 70%.
If there is no difference in the test results, it can also be carried out in a normal temperature and humidity environment.
1 Current sensitivity: The direct current required for the pointer to be at the zero scale to the position shown on the scale plate.
2 Maximum current sensitivity: 200uA ±8% of the DC current required by the pointer at the zero scale to the full scale position of the scale.
3 Internal DC impedance: 750ohm ±8%.
4 Insulation resistance: Test its insulation value with a 500V DC voltage, and the insulation resistance between the meter casing and the electrical circuit is above 50Mohm.
5 Friction: After adding the sensitivity current to the meter, it is slowly reduced to zero. The error between the pointer indication position and the zero scale center is ± 1mm.
6 Zero position: The meter is in the standard position, the zero-scale center is the reference, and the deviation between the pointer position and the zero-scale center is ± 1mm.
7 Balance: When the meter is tilted forward and backward 90 degrees relative to the standard position, the deviation between the position of the pointer and the center of the zero scale is ± 1mm.
Colour:White
Material:plastic

Package Contents:
1 x SWR Watt Meter

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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